On Wednesday 16 March I clambered onto a bus heading for Deptford Bridge in South London. It was an articulated, crocodile bus that can barely see what its back end is doing, and it was rammed. In fact, it was so rammed that I couldn’t get my Oyster payment card to the unmanned scanner halfway down the bus.

Prison is not working. Helping former offenders into jobs and effectively supervising people on community sentences is a key part of the answer, says Anton Shelupanov. To do this, the UK criminal justice system must embrace innovation as a necessity, not as a desirable extra.